99.36: What happens to the inertia of an object when g; sz-. f*e6zaaocyf1e27 ukd its velocity is doubled?

  02.14: An intrinsic property of matter is one that does n4enth 5)dk - w1n:)hv)cicwoy ot depend on the quantity of matter present. Which of the f :ny 1c4i))wkwten)h h5vcd- oollowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Aef ta z3;:h86gtse/yt y40fpjssume the Earth has mass:yfzs/8atpt04f e; e3 6tj gyh $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall jxg rx+11aefjz2:t* snear the surface of the Earth. What is the magnitude of the gravitational force acting on th*z ftae 11g2xjs+j:r xe earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its a yn+g8 cucm5-ley 1w-bg)sdand8h ;u4cceleration decreag nlde-hb ;dy58s8c)u c+4wg1 y nm-uases?

  00.11: A certain particl(9ivdt 0.sm*dg uw(:jn : ytpce undergoes erratic motion. At every point in its motion, the direnj .s9*gd it( t0upwd(my::vcction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in h,1 d1bi7u dwdthe air at the end of a string held by a person. The person pulls on the string unifw, iu7hddb11dormly accelerating the block upward for a short time. During this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following.rl.k-:ida tc5 e:lsg situations is the net force constantly zero on the.-d:si .t5rk cgllea: object?

  13.28: An object is in free fall close to thpxei ,9rg o632l0 leq1bngx*ee ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of the object as it is being stopped by the person? The magnitude of the object’s acceleration1ie o9,elp06xer*b qgx32n g l is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in eipi-2poz2jcy g*+/g d quilibrium has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ofF1 and F2 cdpy2z+2 ipji /-g*ogis

  01.07: A force of 6 Newtons and a force of 10 newcya:vtr*- p;/xet x .j s9d,+yq p1svmtons can be combine to form a resultant with a magnitude of which of the fol, yy:dv xp-*s qet1/+amtx sv. j;9pcrlowing

  10.06: Which of the following statements is w6)sa*.;-xy g n5rqvp8v2bjrmhv d w:most closely associated with Newton’s nrdy . *)v- jwbvgr xhmvqws85;2:a6 pThird Law of Motion?

  95.06: The reaction force does not cancel t0.u5z9my -xnfpi n.urhe action force because:

  14.14: A box rests on the floor of an elevator. The elevatq;wkxac u*- 8nor is accelerating upward. Which one of the following choices best represent x ;wck-n*u8aqs the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant spe nea;t;- 0oxdl-kps/jn l9mx6ed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver during the fxekd69 0 /;;j- -soanptlxnml all?

  06.08: A baseball is th6 kwh: ;iguh :f-s8eorg94hlrrown by a pitcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that theri f84-rh s9e 6wh;uho gk:lg: ball exerts on the bat is always

  11.13: A physics book sits at rest onckc *vb ,gg s9o5:zmt waf(92q0fxkm. a table. On top of the book is a calculator, also at r ks .gm,0q5camwbt xvkoz2f9:f * c(g9est. Which one of the following choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physic4 x mtr ohxf :8/xs)iv3z0l2xys I class were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the grof)msx032zv lx:4x/ xih8 rty aph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object wereinmq, 3gzg : lty980dw doubled while at the same time the mass of the objec w,d n8:9zimtglq 30gyt was halved,then the acceleration of the object is

  96.15: A car whose mam /k5tr;i cvdm8 0mmt;l42ccj a6tdy8 ss is 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net fmd;06/ka cj8v l my cimt mtt5r;84d2corce accelerating the car is:

  99.05: A tractor-trailer truck is traveling down thx6e ktmjk o-8+e road. The mass of the trailer is 4 times the mass of ok8 -xtk+6mjethe tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles be135qb0h3z2s ga slt khst explains why large tractor-trailer sl zbh5q3k th31a 20sgtrucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rig4iq7 3iffr9qfq;bg0 nk throws a 2 kilogram ball, giving the ball a vel 3g;qq4b 79if0qgfirfocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of l z: falmc-t6v:ag q lk.66v,wthe earth with a weight of 100 newtons is acceleratgvawql:f6:k .al6-6, vlc tzmed at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from res6i qtyiq9 1)(xcbym :ht by a constant force of 24i1 c)b9 thq(qyix: my600 N. What is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a rough horizont3t;6i.hep/5o2*v f;o eeciszu 2 zn7d vtlx2a al floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does the block slide before compoxh3;udv zo /c7f52it .;2 zvsinaee le2* t6ing to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 m across a rough hor q paut-c*ighmqw( bit(8(30uizontal floor before coming to rest. T*(ti0 (c(hmgquut -w3 bqp i8ahe coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizuf: c:iofnm- kr50 up4ontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient uun: frfimk 05cp:-o4of kinetic friction between the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially moving aod 2jyqmctgl33p8 ,y 1qoj5+et 8 m/s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slidy1 cj,o8qgotm3e5y+2p jq3dle. Which one of the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ice at (:al+ 8mzlv)i h +zmq)jv*oz ka speed v with its brakes locked. It then hits dry pavementlm*m+z(z hvqla: )+jvki )o8 z and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides across a patch of ice at a spegjjipown-yj nbxz:/86 x;n4. ed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the d pgjxo-n8xz;w:in bny.j6j /4 ry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by slamming on the car's braz 3c,s,haqhiws-. pu l0lj5( vkes and skidding to a stop. How far wol-jh0sv.,,q3h p(c u 5zswia luld the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an autso45: :s jfu4pqpdza-omobile must carefully control each of the following devices. Which of thesessjz4 du:ao -qfp :p45 devices can cause an acceleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight of 15000 newtons is 24000c kp g+canmt2 )3e7 4e/awae8 g26kpfb newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 8ptwm/b+ e6c)knga ee 3 c7p4a2f gk2a36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizoyiv,38hul- egx4 d3e cntal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a force M to the left, which is half as large as the force T. Given that there is friction f and the box accelerates to the right, rank the sizes of e4h ,-eu83cxiy v d3glthese three forces exerted on the box.

  02.27: The diagram below shows three rolleryy pbz.v-1t u: 0 qmv:o*mqg;r coaster tracks of equal length. Assume that on all tracks the roller coaster carbq:grymtvopz*01.vqy m:- ; uts start from rest at the same elevation and moves frictionlessly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tracks of equal le 7osw z*,cf (l /zy)5n vlb*x;qtjqse0ngth. Assume that on all tracks the roller coaster carts start from rest at the same elevationtwevlqx c(/ 5yn ; qzj* slzf*so)70,b and moves frictionlessly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the roller;(+qret wyb xemz-s- g:e*.qn coaster cartrolls frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of tzn*sx- e;(b:r+tqygwme eq-.he cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by1w 4x1*y b( oiw/ras8nbz+oz b a rope which makes an angle of 300 with the horizontal. Which of the following8a xobb1rn y 4bz zwiw(1*+so/ would be closest to the coefficient of kinetic friction between the box and the floor if a 250 newton force on the rope is required to move the crate at a constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at p2rjyz 0nttqrq;u o,wsl 3j981im /h 5rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction is 0. jury9 h p03q5rlo/izt28qmj,w 1stn; 50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes pm +;xmi94b6yxr 7lsva lawn mower across a horizontal patch of grass with a constant speed by s;my4mlvx xpr+6 7 i9bapplying a force P. The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a m 73p2hz kds k7+sdc3xl;ahw*crate on a table. Neither is moving. Which of the following statemeklkc;7h3ad+m*wsdp sh x2z3 7nts concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh 27idosq /cb,z fd/h:ncs9o: )8tlapuas the sleigh is pulled up a hill with an increasing speed. The crate is not f)sc :,7nf zdout /opa9:isl28hc d/ qbastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?